1. You / walk / in the park ? ? 2. She / smile / at me ? ? 3. Children / ride / a bike ? ? 4. What / you / drink ? ? 5. Why / they / shout ? ? 6. When / he / speak ? ? 7. Who / write / a letter ? ? 8. He / learn / Biology ? ? 9. Where / the people / drive ? ? 10. Your mum / do / shopping ? ?